Nebraska /
Swanson Reservoir
Reservoir in Nebraska · 3,670 acres · near Trenton
Swanson Reservoir has 5 boat ramps listed as public.
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2023.
state reports compiled by U.S. EPA · checked October 18, 2026
Lake level: Swanson Reservoir
Today's level loads here; without it, see the agency's page below.
Full pool is 2,752.0 ft (USACE, Top of Conservation).
Level from U.S. Army Corps of Engineers, Corps Water Management System (Trenton Dam (Swanson Lake)), about hourly; the agency's page. Levels change; check conditions at the ramp before you launch.
Depth contours in feet from Nebraska Game and Parks (fieldwork 2001); deepest point about 45 ft. Lake levels and bottoms change; not for navigation.
Launches
- Macklin Bay · Boat ramp · near Trenton
- Spring Canyon North · Boat ramp · near Trenton Closed
- Spring Canyon South · Boat ramp · near Trenton Closed
- Swanson Reservoir Low Water Boat Ramp · Boat ramp · near Trenton Limited
- Swanson Reservoir Trail #3 · Boat ramp · near Trenton Closed
Community
Where people who fish, boat and paddle Swanson Reservoir talk about it. Lake associations, clubs and local groups will be added as we find them.